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(R)=-1/9R^2+200R
We move all terms to the left:
(R)-(-1/9R^2+200R)=0
Domain of the equation: 9R^2+200R)!=0We get rid of parentheses
R∈R
R+1/9R^2-200R=0
We multiply all the terms by the denominator
R*9R^2-200R*9R^2+1=0
Wy multiply elements
9R^3-1800R^3+1=0
We do not support eRpression: R^3
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